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 TCP/UDP tools and library
About TCP/UDP tools
Find port number
Find port number by word
Check all open ports
IP range port scanner
 Ranges of ports in library
TCP ports list range 0-1024
TCP ports list range 1024-7000
TCP ports list range 7000-20000
TCP ports list range 20000-49151
UDP ports list range 0-1024
UDP ports list range 1024-7000
UDP ports list range 7000-20000
UDP ports list range 20000-49151

ports range 41-61,ports list, biggest ports tcp/udp library database

On this page you can find tools for search TCP Port Numbers and UDP Port Numbers.
Current service contain the biggest tcp udp port list. Port search going through 4 library (database),
total number of records are about 22000 (in 3 times more that in other service).
Library's:
  • IANA port numbers assignments library (database) - The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses.
  • WIKI port numbers assignments library (database) - Good known wikipedia ports library
  • Gasmy library, Beta Library - good known manualy created port databases.
In computer networking, the protocols of the Transport Layer of the Internet Protocol Suite, most notably the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP),
use a numerical identifier for the data structures of the endpoints for host-to-host communications.
Such an endpoint is known as a port and the identifier is the port number.
The Registered Ports are listed by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users. Thats why most part of new programs that useing "sockets" bind to ports in this range. Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations. For the purpose of providing services to unknown callers, a service contact port is defined.
The IANA registers uses of these ports as a convenience to the community. About half part of numbers from range are free at this moment. To the extent possible, these same situation with for UDP ports [RFC768]. The Registered Ports are in the range 1024-49151.
It's very easy to search, just input tcp ports range or udp ports range - example2 (or in list format - example1),and 'Go'.

Legend:
no data
- no data available about port in current library
 library name
 port number
 application name
 port description
Example of search port info [list]example of group ports scan
Example of search port info [range]example of group ports scan
TCP UDP
UDP::41-61
port WIKI IANA Linux
port 41 no data
graphicsGraphics
no data
port 42
Host Name Server Protocol
nameHost Name Server
no data
port 43
WHOIS protocol
nicnameWho Is
no data
port 44 no data
mpm-flagsMPM FLAGS Protocol
no data
port 45 no data
mpmMessage Processing Module [recv]
no data
port 46 no data
mpm-sndMPM [default send]
no data
port 47 no data
ni-ftpNI FTP
no data
port 48 no data
auditdDigital Audit Daemon
no data
port 49
TACACS+ Login Host protocol
tacacsLogin Host Protocol (TACACS)
no data
port 50
Remote Mail Checking Protocol
re-mail-ckRemote Mail Checking Protocol
no data
port 51
Previously Interface Message Processor logical address management
no data no data
port 52
Xerox Network Systems (XNS) Time Protocol
xns-timeXNS Time Protocol
no data
port 53
Domain Name System (DNS)
domainDomain Name Server
no data
port 54
Xerox Network Systems (XNS) clearinghouse
xns-chXNS Clearinghouse
no data
port 55 no data
isi-glISI Graphics Language
no data
port 56
Xerox Network Systems (XNS) authentication
xns-authXNS Authentication
no data
port 57
Any private terminal access
any private terminal access
no data
port 58
Xerox Network Systems (XNS) Mail
xns-mailXNS Mail
no data
port 59 no data
any private file service
no data
port 61 no data
ni-mailNI MAIL
no data

The User Datagram Protocol (UDP) is one of the core members of the Internet Protocol Suite, the set of network protocols used for the Internet. With UDP, computer applications can send messages, sometimes known as datagrams, to other hosts on an Internet Protocol (IP) network without requiring prior communications to set up special transmission channels or data paths. UDP is sometimes called the Universal Datagram Protocol. The protocol was designed by David P. Reed in 1980 and formally defined in RFC 768.

In computer networking, the protocols of the Transport Layer of the Internet Protocol Suite, most notably the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP), but also other protocols, use a numerical identifier for the data structures of the endpoints for host-to-host communications. Such an endpoint is known as a port and the identifier is the port number. The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses.